Data Quality82%
MASS(Military Archive Scoring System)
ⓘ Regardless of era, the same scoring system applies to all units in the optical / imaging satellites category.
01 / Overview
Yantar-4KS1M
Category
Country
Prime contractor
Production
1991–1994
Operators
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
OPTICAL / IMAGING SATELLITES · COLD WAR
4
PERFORMANCE/PRICE
78
UNIT COST (2025 USD)
—
ⓘ Performance/Price and MASS score are computed across all units in the optical / imaging satellites category, regardless of era.
02 / Specs & Design
◎General3MOD.3
- Satellite Typereconnaissance
- First Launch Year1991
- OperatorSoviet Ministry of Defense
◈Orbit3MOD.3
- Orbit Type (LEO/MEO/GEO)LEO
- Altitude300 km
- Inclination65
▣Platform1MOD.1
- Launch Mass6.8 kg
◇Payload2MOD.2
- Imaging Resolution0.6 m
- Sensor TypeOptical
03 / History
SERVICE LIFESPANStill in Service
- 1991Production started
- 1994Production ended
35
years in service
3
years in production
1
countries operating
ⓘ The producing country still actively operates it.
05 / MASS Score
OPTICAL / IMAGING SATELLITES RANKING Optical / Imaging Satellites · Cold War
MASS RANKINGSMASS ↗
14OPTICAL / IMAGING SATELLITES4COLD WAR · OPTICAL / IMAGING SATELLITES903RUSSIA · ALL WEAPONS10PERFORMANCE/PRICE · OPTICAL / IMAGING SATELLITES
ⓘ Rankings are within theOptical / Imaging Satellitescategory.
📚 Sources